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This paper considers the problem of out-of-band failure localization in all-optical mesh networks using bidirectional monitoring trails (bm-trails), where every possible link set with up to d arbitrary links is considered as a shared risk link group (SRLG). With the SRLG scenario, the bm-trail allocation problem is firstly formulated, which includes the phases of code assignment and bm-trail formation...
Achieving fast and precise failure localization has long been a highly desired feature in all-optical mesh networks. M-trail (monitoring trail) has been proposed as the most general monitoring structure for achieving unambiguous failure localization (UFL) of any single link failure while effectively reducing the amount of alarm signals flooded in the networks. However, it is critical to come up with...
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